Availability Info
Kobo Aura HD will be available for pre-order in North America starting April 16 at www.kobo.com and will be in-stores in Canada and the United Kingdom starting April 25. International availability will begin in May.

Please ignore any possible bias, mainly as I've not actually seen / touched the device as yet, but when I can get my lazy ass up to the appropriate floor in the Castle, I shall see if it may supplant my Touch as my primary reading device.